Paranasal sinuses
Paranasal sinus disease is common and on occasion can become life-threatening if not treated in a timely fashion. At birth the maxillary sinuses and ethmoid air cells are present but hypoplastic. The sphenoid sinus develops around 4 years of age secondary to pneumatization of the sphenoid bone.
Is paranasal sinus disease common?
Paranasal sinuses
Paranasal sinus disease is common and on occasion can become life-threatening if not treated in a timely fashion. At birth the maxillary sinuses and ethmoid air cells are present but hypoplastic.
How many pairs of paranasal sinuses are there?
The bones of the face and skull near the nose contain four pairs of air-filled pockets, which are called the paranasal sinuses.
